Find the extrema of the function on the given interval, and say where they occur.sin 4x, 0 ? x ? 
A. local maxima: 1 at x = 
and 0 at x = 
;
local minima: 0 at x = 0 and -1 at x = 
B. local maxima: 1 at x = 
and 0 at x = 
;
local minimum: -1 at x = 
C. local maxima: 1 at x = 
and 0 at x = 
;
local minimum: 0 at x = 0
D. local maxima: 1 at x = 
and 0 at x = 
;
local minima: 0 at x = 0 and -1 at x = 
Answer: D
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 2 ln 
- 
+ ln 
+ 
tan-1 
+ C
B. 5 ln 
+ 
- ln 
+ sin-1 
+ C
C. 7 ln 
+ ln 
+ 
tan-1 
+ C
D. 2 ln 
+ ln 
+ 
tan-1 
+ C
Solve the problem.The grading scale for a C in Amy's biology class is an average on tests between 70% and 80%, inclusive. Amy has 67%, 84%, and 77% on the first three tests this semester. What range of scores on the fourth test would give her a C?
A. Between 52% and 92%, inclusive B. 87% or better C. Between 70% and 80%, inclusive D. Between 57% and 87%, inclusive
Subtract.
A. 3583 B. 3555 C. 3575 D. 7583
Write with rational exponents, and then apply the properties of exponents. Assume all radicands represent positive real numbers. Give answer in exponential form.
A. x8/35
B. x3/35
C. x15/7
D. 